Bump gpt-tokenizer from 2.5.0 to 2.5.1

Bumps [gpt-tokenizer](https://github.com/niieani/gpt-tokenizer) from 2.5.0 to 2.5.1.
- [Release notes](https://github.com/niieani/gpt-tokenizer/releases)
- [Commits](niieani/gpt-tokenizer@2.5.0...2.5.1)

---
updated-dependencies:
- dependency-name: gpt-tokenizer
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -34,7 +34,7 @@
     "eslint-config-standard-with-typescript": "^35.0.0",
     "eslint-plugin-svelte3": "^4.0.0",
     "flourite": "^1.3.0",
-    "gpt-tokenizer": "^2.1.2",
+    "gpt-tokenizer": "^2.5.1",
     "llama-tokenizer-js": "^1.2.2",
     "postcss": "^8.4.47",
     "sass": "^1.79.4",